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• with material-theme-jetbrains-eap

• with scala

• with kotlin

• with HTML/XML

• and more...

https://plugins.jetbrains.com/plugin/10080-rainbow-brackets

1. Check this commit for implementation for scala or check out this commit for implementation for javascript.
2. Found the language ID such as Scala
3. Implement RainbowScala which is a class implement Annotator, you should know the TokenTypes of your language, such as ScalaTokenTypes. And find out the myDebugName of your IElementType, in scala, we have:

So you could use myDebugName as parameter pass to annotateUtil

4. Add your language id to specLangList so we can ignore common annotator.
5. Remove old annotator implement in plugin.xml and add your new !
6. gradle runIde check your awesome work !
7. Sent PR.

• gradle runIde
• gradle buildPlugin

Intellij-rainbow-brackets is heavily inspired by intellij-rainbow and Rainbow Brackets for Visual Studio Code